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Optimized production, quality control and biodistribution assessment of 166Ho–DOTATOC: a novel radiolabelled somatostatin analog

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Abstract

Nowadays, peptide receptor radionuclide therapy is used to treat a specific type of cancer called neuroendocrine tumors. In this research, the optimized conditions for 166Ho-DOTATOC production are presented. The radiolabeled compound was prepared with the specific activity of 11.1 TBq/mmol and radiochemical purity of more than 99% (using ITLC and HPLC). Stability tests of the complex were investigated in room temperature and in human serum at 37 °C. Biodistribution studies in Syrian rats showed considerable accumulation in pancreas as the somatostatin receptor-positive tissue. 166Ho-DOTATOC can be considered as a novel agent for treatment of somatostatin receptor-positive tumors.

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Correspondence to Hassan Yousefnia.

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Golabi-dezfoli, A., Yousefnia, H., Hosntalab, M. et al. Optimized production, quality control and biodistribution assessment of 166Ho–DOTATOC: a novel radiolabelled somatostatin analog. J Radioanal Nucl Chem 312, 329–335 (2017). https://doi.org/10.1007/s10967-017-5225-y

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  • DOI: https://doi.org/10.1007/s10967-017-5225-y

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